A volumetric magnetic resonance imaging study in migraine

Table 5 Comparison between chronic and episodic migraine patients as regards segmental brain volumetry (mm³) and thickness (mm) parameters

	Chronic (No. = 11)		Episodic (No. = 14)		Independent t-test
	Mean	SD	Mean	SD	t	P-value
Brain stem volume	18,344.76	1401.35	19,317.80	2450.27	− 1.172	0.253
Left cerebellar volume	44,289.44	2610.20	49,574.49	5126.28	− 3.108	0.005*
Right cerebellar volume	45,006.34	2648.00	49,703.61	4772.72	− 2.922	0.008*
Left caudate and putamen	4586.02	479.66	4746.25	641.24	− 0.690	0.497
Right caudate and putamen	4556.53	512.77	4737.00	558.06	− 0.831	0.414
Left thalamus volume	6869.73	754.70	7114.75	882.20	− 0.733	0.471
Right-thalamus volume	6567.45	598.37	6746.92	745.50	− 0.650	0.522
Left-hippocampus volume	3525.04	282.80	3591.21	506.96	− 0.387	0.702
Right-hippocampus volume	3693.85	316.65	3726.89	504.67	− 0.189	0.851
Left-amygdala volume	1240.89	129.43	1358.46	198.79	− 1.696	0.103
Right amygdala volume	1356.15	126.16	1497.87	324.42	− 1.365	0.185
Left cingulate thickness	2.55	0.16	2.55	0.13	0.089	0.930
Right cingulate thickness	2.52	0.15	2.54	0.16	− 0.293	0.772
Left frontal lobe thickness	2.62	0.22	2.82	0.21	− 2.375	0.026*
Right frontal lobe thickness	2.56	0.15	2.78	0.22	− 2.902	0.008*
Right post central thickness	2.01	0.12	2.03	0.15	− 0.218	0.829
Left post central thickness	2.00	0.11	2.05	0.13	− 1.067	0.297
Right superior parietal thickness	2.09	0.13	2.14	0.16	− 0.752	0.460
Left superior parietal thickness	2.13	0.09	2.17	0.17	− 0.824	0.418